ugh.....these ones.  for all of the good videos the fandom produces, there are also.....others.  welcome to some of those.  for a top 11 worst list, I guess today is as good as any other.  so....uh....just brohoof myself here.  /)*(\

Links:

that first one: m.i.a.
anthologypony: https://www.youtube.com/channel/UC1_l...

11. the celestias have been doubled!: https://www.youtube.com/watch?v=viXpC...
fuzzybirdpony: https://www.youtube.com/channel/UCh93...

10. go to buck: https://www.youtube.com/watch?v=mccwY...
the brony with the spitfire videos: https://www.youtube.com/channel/UCWlb...

9. buy our toys! the movie: https://www.youtube.com/watch?v=B_Cpv...
paperbagpony: https://www.youtube.com/channel/UCdJ2...

8. twilight sings like a majestic eagle: https://www.youtube.com/watch?v=HZDhM...
confuseddashieavatar: https://www.youtube.com/channel/UCtJR...

7. sombra and luna play chess: https://www.youtube.com/watch?v=vL4q7...
the silly fillies: https://www.youtube.com/channel/UC7Tv...

6. the korean people's choice awards: https://www.youtube.com/watch?v=V0f2T...
anangrysockpuppet: https://www.youtube.com/channel/UC7SV...

5. tara strong is angry with rainbow dash: https://www.youtube.com/watch?v=A6NWR...
flamingopony: https://www.youtube.com/channel/UCm8U...

4. *uncontrollable crying* : https://www.youtube.com/watch?v=do6RD...
the sillier filles: https://www.youtube.com/channel/UC7Tv...

3. kp listens intently: https://www.youtube.com/watch?v=Hd0-c...
the hope that hasbro crushed: https://www.youtube.com/channel/UCa5G...

2. blackgryph0n, applebloom and OCs...oh my!: https://www.youtube.com/watch?v=gmJ2B...
damnyoucensorship!  damnyoutohell!  you blew it up!: https://www.youtube.com/channel/UC3Mc...

1. that thing with the ok animation: https://www.youtube.com/watch?v=i7PQ9...
one of the contestants on the brony quiz: https://www.youtube.com/channel/UCB6v...